| Swimming at the 2003 Pan American Games | ||
|---|---|---|
 | ||
| Freestyle | ||
| 50 m | men | women |
| 100 m | men | women |
| 200 m | men | women |
| 400 m | men | women |
| 800 m | women | |
| 1500 m | men | |
| Backstroke | ||
| 100 m | men | women |
| 200 m | men | women |
| Breaststroke | ||
| 100 m | men | women |
| 200 m | men | women |
| Butterfly | ||
| 100 m | men | women |
| 200 m | men | women |
| Individual medley | ||
| 200 m | men | women |
| 400 m | men | women |
| Freestyle relay | ||
| 4×100 m | men | women |
| 4×200 m | men | women |
| Medley relay | ||
| 4×100 m | men | women |
The Men's 100 Butterfly event at the 2003 Pan American Games took place on August 13, 2003 (Day 12 of the Games). Benjamin Michaelson (USA) won the 100 butterfly in 53.04, bettering the Games record of 53.33.
Medalists
| Gold | Benjamin Michaelson United States
|
| Silver | José Meolans Argentina
|
| Bronze | Kaio Almeida Brazil
|
Records
| World Record | Ian Crocker (USA) |
50.98 | 2003-07-26 |  Barcelona, Spain
|
| Pan Am Record |  Francisco Sánchez (VEN) |
53.33 | 1999-08-03 |  Winnipeg, Canada
|
Results
| Place | Swimmer | Heats | Final | |
|---|---|---|---|---|
| Time | Rank | Time | ||
| 1 |  Ben Michaelson (USA) |
53.55 | 1 | 53.04 GR |
| 2 |  José Meolans (ARG) |
54.34 | 5 | 53.28 |
| 3 | Kaio Almeida (BRA) |
54.23 | 3 | 53.44 NR |
| 4 |  Josh Ilika (MEX) |
54.34 | 6 | 53.46 |
| 5 |  Luis Rojas (VEN) |
54.45 | 8 | 53.95 |
| 6 | Tommy Hannan (USA) |
53.43 | 1 | 54.06 |
| 7 | Gabriel Mangabeira (BRA) |
54.44 | 7 | 54.25 |
| 8 |  Andrew Livingston (PUR) |
54.27 | 4 | 54.58 |
| 9 |  Camilo Becerra (COL) |
54.81 | 9 | 54.62 |
| 10 | Eduardo Otero (ARG) |
54.83 | 10 | 54.79 |
| 11 | Octavio Alesi (VEN) |
56.07 | 13 | 54.92 |
| 12 |  Juan Pablo Valdivieso (PER) |
55.77 | 12 | 55.99 |
| 13 |  Chris Vythoulkas (BAH) |
55.76 | 11 | 56.39 |
| 14 |  Devin Saez (ESA) |
57.23 | 14 | 56.55 |
| 15 |  William Muriel (ECU) |
57.59 | 15 | 57.25 |
| 16 |  Sergio Cabrera (PAR) |
57.67 | 16 | 57.95 |
| 17 |  José Rodríguez (DOM) |
57.70 | 17 | |
| 18 |  Gordon Touw Ngie Tjouw (SUR) |
57.99 | 18 | |
| 19 |  Scott Henley (ISV) |
58.61 | 19 | |
| 20 |  Sergio de Leon (GUA) |
59.17 | 20 | |
| 21 |  Carlos Prudencio (BOL) |
59.24 | 21 | |
| 22 |  Cliff Gittens (BAR) |
59.26 | 22 | |
| 23 |  Davy Bisslik (ARU) |
59.33 | 23 | |
| 24 |  Timothy Wong (JAM) |
59.60 | 24 | |
| 25 |  Roy Barahona (HON) |
59.95 | 25 | |
Notes
References
| Pan American Champions in Men's 100 m butterfly | |
|---|---|
|
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